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Abstract #3437

Whole-heart 4D phase-contrast MRI for clinical cardiovascular flow analysis: a comparison and validation on an imaging pulse sequence aspect

Shuo Zhang1,2, Jun-Mei Zhang1,3, Jennifer Ann Bryant1, Bao Ru Leong1, Pankaj Garg4, Rob van der Geest5, Ru San Tan1,3, and Liang Zhong1,3

1National Heart Centre Singapore, Singapore, Singapore, 2Philips Healthcare Singapore, Singapore, Singapore, 3Duke-NUS Medical School Singapore, Singapore, Singapore, 4Division of Biomedical Imaging, University of Leeds, Leeds, United Kingdom, 5Department of Radiology, Leiden University Medical Center, Leiden, Netherlands

Whole-heart 4D phase-contrast magnetic resonance imaging (4D PC-MRI) provides qualitative and quantitative cardiovascular flow information. Recent technological advances in acquisition have rendered its clinical adoption without breath hold or respiratory gating. However, with different acquisition methods available their accuracy and influence in flow measurement are not well studied. We report our result in comparison of different commercially available imaging pulse sequences with validation to conventional 2D PC-MRI in healthy volunteers and patients with congenital heart disease.

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